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Development of the Logical Observation Identifier Names and Codes (LOINC) vocabulary
S M Huff1, R A Rocha, C J McDonald
1Intermountain Health Care, Salt Lake City, Utah 84111, USA. coshuff@ihc.com
Summary
The Logical Observation Identifier Names and Codes (LOINC) vocabulary provides universal codes for clinical observations, simplifying data exchange between healthcare systems. This reduces the time and cost of integrating diverse clinical information systems.
Area of Science:
- Medical Informatics
- Health Information Systems
Background:
- Clinical computer systems require standardized identifiers for observations.
- Existing local vocabularies create challenges in data exchange.
Purpose of the Study:
- To develop universal names and codes for clinical observations.
- To facilitate seamless data exchange across all clinical information systems.
Main Methods:
- Development of a comprehensive vocabulary of over 10,000 names and codes.
- Structuring LOINC names for efficient automated or manual matching with local vocabularies.
Main Results:
- LOINC facilitates rapid matching between local and universal vocabularies.
- Each system needs to map its local vocabulary only once to the standard.
Conclusions:
- LOINC reduces the time and cost of implementing standardized clinical data interfaces.
- The study describes the history and methodology behind LOINC vocabulary creation.